#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;

int n, a[N], tmp, ans;

signed main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> tmp, a[tmp]++;
    ans = -1;
    for (int i = 1; i <= (int)1e5 + 1; i++)
        ans = max(ans, a[i]);
    cout << ans;
    return 0;
}
